My 30 pound dog was attacked by three unleashed pit bulls

[tama]

197. I'm not expert

and most of what I know about pitbulls is from Dog Whisperer. So from what I know, in addition what you told me, what makes them fighting dogs is that when they get in the fighting zone it's very hard to get them stop, as physical pain makes just more determinate fighters - as the story above shows. And as dogs - or humans - are never fully predictable, when pitbull gets loose and in the fight zone, consequenses can be horrible.

No doubt they can be very good dogs, but they are very challenging family members and there are way too many people who take them for wrong reasons and/or can't handle them for variety of reasons in responsible ways. I would not recommend them to anyone - while I don't expect very experienced and responsible "pack leaders" to care about my recommendations.